WO2014203206A1 - Appareil de mobile partagé virtuel de communication de type machine et procédé - Google Patents

Appareil de mobile partagé virtuel de communication de type machine et procédé Download PDF

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Publication number
WO2014203206A1
WO2014203206A1 PCT/IB2014/062456 IB2014062456W WO2014203206A1 WO 2014203206 A1 WO2014203206 A1 WO 2014203206A1 IB 2014062456 W IB2014062456 W IB 2014062456W WO 2014203206 A1 WO2014203206 A1 WO 2014203206A1
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WO
WIPO (PCT)
Prior art keywords
mtc
vsm
devices
vsmg
mobile
Prior art date
Application number
PCT/IB2014/062456
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English (en)
Inventor
Boudreau GARY DAVID
Virgil CIMPU
Original Assignee
Telefonaktiebolaget L M Ericsson (Publ)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget L M Ericsson (Publ) filed Critical Telefonaktiebolaget L M Ericsson (Publ)
Priority to CN201480035039.5A priority Critical patent/CN105325016B/zh
Priority to EP19181065.4A priority patent/EP3562179B1/fr
Priority to ES14739239T priority patent/ES2734377T3/es
Priority to EP14739239.3A priority patent/EP3011765B1/fr
Priority to DK14739239.3T priority patent/DK3011765T3/da
Priority to BR112015030861A priority patent/BR112015030861A2/pt
Priority to PL14739239T priority patent/PL3011765T3/pl
Priority to EP19181071.2A priority patent/EP3562180B1/fr
Publication of WO2014203206A1 publication Critical patent/WO2014203206A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/26—Network addressing or numbering for mobility support
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • This application relates to machine type communications in general, and to a machine type communication virtual shared mobile apparatus and method, in particular.
  • OFDM Orthogonal Frequency Division Multiplexing
  • 4G 4th generation
  • LTE Long Term Evolution
  • Machine-to-machine (M2M) or MTC type devices are an emerging area of mobile communications that is expected to grow significantly in the next several years with an expected compounded annual growth rate (CAGR) of > 25% in 2013.
  • CAGR compounded annual growth rate
  • a machine-type-communication (MTC) virtual shared mobile (VSM) apparatus suitable for use in a communications network including a mobile network, the mobile network having wireless nodes including a wireless basestation node and wireless device nodes, the wireless base station node serving the wireless device nodes, a portion of the wireless devices being a plurality of MTC devices, the communications network connected to at least one MTC application server.
  • MTC machine-type-communication
  • VSM virtual shared mobile
  • the MTC VSM apparatus comprises: a node in the communications network, comprising a communications interface for participating in at least one MTC communication involving one of the at least one MTC application server and the at least one of the MTC devices; and a processor configured to operate with the communications interface, the processor adapted such that a portion of the at least one MTC related communication presents the plurality of MTC devices as one Virtual Shared Mobile wireless device having a single wireless device identifier to the mobile network.
  • the node in the communications network is one of an: MTC Device, UE, eNodeB, MME, S-GW, P-GW, MTC App Server, Relay Node, and Mobile Relay Node, Mobile Network MTC Authorization Server.
  • the portion of the at least one MTC related communication includes at least one of : RRC Conn, MTC Data Report, RRC Disconn, Joint VSMG REQ, Authorize Server REQ, Authorize Server RSP, Authorize Device REQ, Authorize Device REQ, Authorize Device RSP, Joint VSMG RSP and a communication carried over a VSM Radio Bearer.
  • the portion of the at least one MTC related communication includes at least one of: MTC server IP, data, MTC App Data Device, VSMG Control, MTC Server IP, eNodeB IP, VSM IP, MTC ID, S-GW IP, P-GW IP, UDP port, device ID, credentials, OK, Not OK, Device parameters, VSM, IMSI, local device ID, VSMG Control, and App data.
  • the plurality of MTC devices belong to a Virtual Shared Mobile Group (VSMG) having a VSMG identifier.
  • an MTC device that does not belong to the Virtual Shared Mobile Group (VSMG) utilises its own device identifier in an initial connection request to join the VSMG.
  • the communication node is an MTC device and wherein the communication node listens to a shared VSM Radio Bearer for at least one of VSM Control and VSM Device Data.
  • the communications node receives via the VSMG Control regarding allocated TTIs to send at least one of VSM Control and VSM Device Data to the at least one MTC server.
  • the MTC device uses its own mobile network identifier to send a VSM TTI grant request message to the communication node of the VSM apparatus.
  • the at least one portion of the at least one MTC related communication is encrypted at the application layer.
  • a machine-type-communication (MTC) virtual shared mobile (VSM) method suitable for use in a communications network including a mobile network, the mobile network having wireless nodes including a wireless basestation node and wireless device nodes, the wireless base station node serving the wireless device nodes, a portion of the wireless devices being a plurality of MTC devices, the communications network connected to at least one MTC application server, the MTC VSM method comprising: providing a node in the communications network, the node comprising a communications interface for participating in at least one MTC communication involving one of the at least one MTC application server and the at least one of the MTC devices; and a processor configured to operate with the communications interface, the processor adapted to operate on a portion of the at least one MTC related communication; and presenting the plurality of MTC devices as one Virtual Shared Mobile wireless device such that the portion of the at least one MTC related communication uses a single identifier for the plurality of MTC devices.
  • MTC machine-type-communication
  • VSM virtual shared mobile
  • FIG. 1 is a block diagram illustrating an MTC Architecture
  • FIG. 2 is a signalling flow diagram illustrating communication between MTC Devices and MTC App Servers
  • FIG. 3 is a block diagram illustrating an MTC Architecture including a VSM provided in accordance with the embodiments of the present disclosure
  • FIG. 4 is a block diagram illustrating the communication path between MTC App
  • FIG. 5 is a block diagram illustrating the protocol stacks used by network entities with VSM implemented in an eNodeB, provided in accordance with embodiments of the present disclosure
  • FIG. 6 is a block diagram illustrating the use of UDP ports, provided in accordance with embodiments of the present disclosure.
  • FIG. 7 is a signalling flow diagram illustrating an MTC device connection procedure, provided in accordance with embodiments of the present disclosure
  • FIG. 8 is a block diagram illustrating the protocol stacks used by network entities with VSM implemented in a MRN, provided in accordance with embodiments of the present disclosure.
  • the present disclosure is applicable to the Machine Type Communication (MTC) domain where information is collected by MTC Application servers from many devices distributed over large areas.
  • MTC Machine Type Communication
  • This disclosure uses the terms wireless and mobile interchangeably such that a wireless device or node can be understood to be the same as a mobile device or node.
  • MTC Devices connected to Mobile Networks are expected to grow significantly and they will impact the performance of the mobile networks.
  • This disclosure uses MTC and M2M interchangeably such that an MTC Device or node can be understood to be the same as an M2M Device or node.
  • the present disclosure may allow a large number of MTC devices to be connected to the mobile network and to limit the impact on the mobile network.
  • the number of MTC wireless devices connected to the network may grow significantly.
  • the mobile networks may have to cope with the increased number of devices and the cost of managing the devices. This cost may include managing more devices at MME level, allocating individual IP addresses for each MTC device, managing increased number of GTP tunnels.
  • Such benefits may include:
  • Reducing RF component cost in the devices including (for example) simplifications and reductions in support of bands/RATs/RF chains/antenna ports, transmission power, maximum channel bandwidth less than the maximum specified for respective frequency band, and support of half- duplex FDD mode; • Methods for reducing the processing in the device, additionally considering baseband-RF conversion aspects, significantly lower peak data rate support, no support of spatial processing mode in uplink/downlink, and reduced radio protocol processing;
  • Low cost MTC device support limited mobility (e.g. no support of seamless handover; ability to operate in networks in different countries) and are low power consumption modules.
  • the present disclosure focuses on MTC applications that require data collection from many devices spread on large areas.
  • the MTC typical application anatomy is assumed to be composed of:
  • MTC App Servers in the cloud that collect data from the distributed MTC devices; and • Many distributed MTC devices that are responsible for data collection as well as executing commands from the server.
  • VSMG Virtual Shared Mobile Group
  • FMSI Radio Bearer
  • This disclosure will allow data gathering from a large number of MTC devices with limited impact on the Mobile Network.
  • This disclosure includes, inter alia, three aspects of the VSM concept: (1) the VSM implemented in the eNB; (2) the VSM implemented in a relay node; and (3) the VSM implemented in a UE acting as a relay node in a device-to-device configuration.
  • FIG. 1 is a block diagram illustrating an MTC Architecture.
  • MTC Device 10a, MTC Device 10b, UE 20d and UE 20e are located in Macro LTE Cell 30 served by eNodeB 40 to which they are wirelessly connected via LTE.
  • eNodeB 40 is connected to MME 50 via interface Sl-MME 55.
  • MME 50 is located in Mobile Network RAN+ECN 60.
  • eNodeB 40 is also connected to S-GW/P- GW 70 via interface Sl-U 75.
  • S-GW/P-GW 70 acts as a gateway to "Cloud "/Internet 90 whereat MTC App Server 80a and MTC App Server 80b are located.
  • the MTC devices will have low throughput requirements and will communicate with the MTC application servers infrequently.
  • the MTC devices will send data to the MTC servers at pre-determined time intervals (e.g. water meter sending data once a month to the application server; weather station sending data once an hour), on request from the MTC server (server requesting an unscheduled weather report) or when an event occurs (weather station reporting a power outage event).
  • FIG. 2 is a signalling flow diagram illustrating communication between MTC Devices and MTC App Servers.
  • data reports MTC Data Report (MTC server IP, data) 230 a, b, c from MTC Devices 10 a, b, c require significant signalling overhead, to set up connections via RRC Conn. 210 a, b, c and tear down connections via RRC Disconn. 230 a, b, c, respectively, with MTC App Server 80a and MTC App Server 80b.
  • MTC Devices 10 a, b, c and 2 MTC App Servers 80 a, b are shown for the sake of brevity, the amount of overhead is compounded by the presence of large numbers of MTC Devices and MTC App Servers.
  • the Mobile Networks will have to cope with the increased number of MTC devices and with the increased signalling load that is characteristic for MTC devices.
  • the introduction of MTC devices will change the ratio between the control data and user data and it will make the control signalling cost for establishing connections and tear them down the main Mobile Network bottleneck.
  • the present disclosure introduces a new feature at eNodeB level that will allow multiple devices to be grouped together and be presented to the rest of RAN as one Virtual Shared Mobile (VSM).
  • VSM Virtual Shared Mobile
  • the devices belonging to the same Virtual Shared Mobile Group (VSMG) will share the same UL and DL physical resources.
  • Them Mobile Network and RAN including MME and S-GW
  • MME and S-GW will have no knowledge of the individual devices; instead, the MTC Application Servers will authenticate and manage individual MTC devices. This will decrease the number of devices that are managed by the mobile network, hence decreasing the control signalling volume.
  • FIG. 3 is a block diagram illustrating an MTC Architecture including a VSM provided in accordance with the embodiments of the present disclosure.
  • MTC Devices 10 a, b, c and UE 20 d, e are located in Macro LTE Cell 30 served by eNodeB 40.
  • UE 20 e, d is wirelessly connected via LTE directly to eNodeB 40.
  • MTC Devices a, b, c are connected to eNodeB 40 via VSM 310.
  • eNodeB 40 is connected to MME 50 via interface Sl-MME 55.
  • MME 50 is located in Mobile Network RAN+ECN 60.
  • eNodeB 40 is also connected to S-GW/P-GW 70 via interface Sl-U 75.
  • S-GW/P-GW 70 acts as a gateway to "Cloud'VInternet 90 whereat MTC App Server 80a and MTC App server 80b are located.
  • All the MTC devices using the VSM feature will have to join a Virtual Shared Mobile Group (VSMG) before they can communicate data to the MTC Application servers.
  • VSMG Virtual Shared Mobile Group
  • the MTC devices belonging to the same VSMG will have the following in common:
  • the MTC devices that are using the VSMG can communicate with the MTC Application servers. Communication between two MTC devices or between a MTC device and another internet entity is allowed "through" the application server, e.g. the MTC application server will play a proxy role.
  • FIG. 4 is a block diagram illustrating the communication path between MTC App Server and MTC Devices, provided in accordance with embodiments of the present disclosure.
  • MTC Devices 10 x, y are connected to VSM 310 at eNodeB 40 via VSM Radio Bearer 410, which includes VSMG Control 420 and App Data Device 430 x, y corresponding to respective MTC Devices 10 x, y.
  • VSM 310 has VSM IP 440 that is used to communicate via eNbodeB UP IP 450 with S-GW/P-GW 70 over VSM bearer GTPU tunnel 460, which includes MTC App Data Device 430 x, y.
  • S-GW/P-GW 70 communicates MTC App Data Device 430 x, y in turn with MTC App Server 80 via MTC Server IP 470.
  • All MTC devices that are using the same VSMG will share the same radio bearers, e.g. the UL and DL physical resources: •
  • MTC devices in a VSMG will receive the same data from eNodeB, containing multiplexed information for individual devices.
  • a new protocol "MTC ID" is used to specify the destination MTC device.
  • the DL will also transport the "VSMG control" protocol that will specify among other things the UL TTI allocations to different devices.
  • eNodeB will have a special VSM scheduler that will use time division to allocate different TTIs to individual MTC devices in the VSMG group.
  • the allocation of TTIs can be done in advance, for devices that report data at predefined intervals, or it can be requested on-demand by individual devices. Once a TTI has been assigned to an individual MTC device, the device is allowed to use the UL PRBs allocated to VSM in that TTI.
  • the implementation of the DL and UL MTC time division protocol can be efficiently implemented by employing an LTE TDD transmission mode that utilizes TDD configuration 5 for DL transmission (i.e. having 8 DL subframes per frame) and TDD configuration 0 for UL (i.e. having 5 UL subframes per frame) [1] ⁇
  • FIG. 5 is a block diagram illustrating the protocol stacks used by network entities with VSM implemented in an eNodeB, provided in accordance with embodiments of the present disclosure.
  • the VSM IP 440 is terminated at the eNodeB 40 by the VSM 310 feature.
  • VSM 310 will strip the IP 450 and UDP 520 headers and will send the "MTC ID" 510 header and App data 530 over the air.
  • FIG. 6 is a block diagram illustrating the use of UDP ports, provided in accordance with embodiments of the present disclosure.
  • An alternative of using the "MTC ID" protocol is to use the UDP port numbers 520 x, y to identify the local MTC device ID 510 x, y.
  • MTC App Servers 80 x, y communicate App Data 530 x, y to respective MTC Devices 10 x, y via UDP ports 520 x, y UDP port 1 and UDP Port 2 of VSM 310 feature provided at eNodeB 40.
  • FIG. 7 is a signalling flow diagram illustrating an MTC device connection procedure, provided in accordance with embodiments of the present disclosure.
  • the MTC device connection procedure is described as follows:
  • the MTC device 10 using its own IMSI, sends a special "Join VSMG" request Join VSMG REQ (device ID, MTC server IP, credentials) 720 to the eNodeB 40 with the VSM 310 Feature to join the VSMG.
  • the request will contain the device ID, the IP of the MTC server that will authenticate the device and the credentials of the MTC device 10.
  • the eNodeB 40 will receive the "Join VSMG" request 720 and will check if the MTC server 80 is one of the authorized servers in its list. If not, it will contact a server inside mobile network Mobile Network MTC Authorization Server 710 to check if the MTC server 80 is authorized by sending Authorize Server REQ (MTC server IP) 730:
  • the server is authorized by receiving Authorize RSP (MTC server IP, OK) 740, the connection procedure continues to the next step.
  • the eNodeB 40 using the VSM IP 440 as source address, will contact the MTC Application Server 80 and it will pass the MTC device ID (not shown) and credentials by sending Authorize Device REQ (credentials) 750.
  • the server If the device is authenticated, the server will record the VSM IP address as the proxy IP address, then will send a confirmation message to the eNodeB 40 by sending Authorize Device RSP (OK, Device parameters) 760.
  • the confirmation message will contain details about the MTC device behaviour, like the interval of periodic reports expected from the device, the size of the report, the timeframe when the report is useful and also if unscheduled event notifications are expected from the device.
  • the eNodeB 40 will allocate a local ID for the MTC device and it will add it to the VSMG. Then will send confirmation message Join VSMG RSP (VSM EVISI, local device ID) 770 to the device, including the EVISI of the VSM that has to be used for future communication.
  • VSM EVISI local device ID
  • the MTC device 10 will listen to the shared VSM Radio Bearer 410.
  • the VSM feature of the eNodeB will play a proxy role as follows:
  • the VSM will receive data from several servers toward the devices that are part of its VSMG.
  • the data will be multiplexed and each data segment will be prefixed with the "MTC ID" header that contains the local ID of the destination MTC device. Then the data is forwarded over-the-air and all MTC devices in the group will receive it and the destination device will extract the data.
  • the DL will also carry "VSMG control" protocol containing information about the UL TTI allocation.
  • the device receives information through the "VSMG control" protocol regarding the allocated TTIs, the device will use them to send information to the server. Same "MTC ID" protocol header is used to identify the device where the data originated.
  • the VSM feature will use the device ID contained in the "MTC ID" header to retrieve the associated MTC server IP, then will build the UDP packet with the App data + "MTC ID” header and send it to the server.
  • the MTC device will use its own IMSI to send a special "VSM TTI grant request" message to the VSM feature on eNodeB.
  • the VSM feature will reschedule the TTIs and will send the new TTI allocation through the "VSMG control" protocol.
  • the application layer may secure the application data using a predetermined encryption algorithm.
  • FIG. 8 is a block diagram illustrating the protocol stacks used by network entities with VSM implemented in a MRN, provided in accordance with embodiments of the present disclosure.
  • the VSM 310 feature functionality is provided in a relay node MRN 810 that is served by the eNodeB 40 of the given cell.
  • the VSM protocol stack as shown in FIG. 5 has been adapted in FIG. 8 to operate in the Relay node 810 with the eNodeB 40 providing the S-GW/P-GW 70 functionality as before.
  • the VSM 310 entity in the RN 810 will communicate with the MTC application server 80 after joining the VSMG as described above.
  • the VSM feature is provided in mobile device or UE.
  • This approach is viable for UE's that support device-to-device (D2D) communication.
  • the VSM functionality will reside in the UE and the UE will implement the VSM and VSMG functionality as described above in regard to the first and second aspect.
  • the selection of a UE to support the VSM feature can be based on the steps of (i) discovery; (ii) calculation of similarity metrics; (iii) clustering and (iv) transmission of information as defined in [4].
  • the UE will act as a relay node as described in regard to the second aspect.
  • Embodiments of the aspects of the present disclosure may help the Mobile Networks to cope with the increase in the number of MTC devices.
  • the individual MTC devices in the same cell are grouped together and sharing the same UL and DL physical resources. This is achieved by introducing a new Virtual Shared Mobile feature at eNodeB level or relay node level or UE or Device level.
  • the main advantages of this approach are:
  • MME and S-GW mobile network
  • Reduced control plane signalling volume including the number of RRC connections and releases, number of paging requests.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)

Abstract

La présente invention propose une fonction de mobile partagé virtuel (VSM) à un niveau de nœud B évolué, au niveau d'un nœud de relais, ou à un niveau d'UE ou de dispositif qui permettra à de multiples dispositifs MTC d'être groupés ensemble et d'être présentés au reste du réseau mobile en tant que mobile partagé virtuel (VSM). Les serveurs d'application MTC authentifieront et géreront des dispositifs MTC individuels. Cela diminuera le nombre de dispositifs qui sont gérés par le réseau mobile et ainsi diminuera le volume de signalisation de commande. Des dispositifs appartenant au même groupe mobile partagé virtuel (VSMG) utiliseront une répartition temporelle pour partager le même support radio (même IMSI) et ainsi diminueront le brouillage vers les autres UE dans le réseau mobile. En général l'invention permettra un groupement de données à partir d'un grand nombre de dispositifs MTC avec un impact limité sur le réseau mobile. L'invention porte sur des aspects du concept VSM, comprenant entre autres choses : (1) le VSM mis en œuvre dans l'eNB ; (2) le VSM mis en œuvre dans un nœud de relais ; et (3) le VSM mis en œuvre dans un UE ou un dispositif agissant en tant que nœud de relais dans une configuration de dispositif à dispositif.
PCT/IB2014/062456 2013-06-20 2014-06-19 Appareil de mobile partagé virtuel de communication de type machine et procédé WO2014203206A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CN201480035039.5A CN105325016B (zh) 2013-06-20 2014-06-19 机器类型通信虚拟共享移动设备和方法
EP19181065.4A EP3562179B1 (fr) 2013-06-20 2014-06-19 Appareil de mobile partagé virtuel de communication de type machine et procédé
ES14739239T ES2734377T3 (es) 2013-06-20 2014-06-19 Aparato y método móvil virtual compartido de comunicación tipo máquina
EP14739239.3A EP3011765B1 (fr) 2013-06-20 2014-06-19 Appareil de mobile partagé virtuel de communication de type machine et procédé
DK14739239.3T DK3011765T3 (da) 2013-06-20 2014-06-19 Virtuelt delt netværksenhed og fremgangsmåde til maskintypekommunikation
BR112015030861A BR112015030861A2 (pt) 2013-06-20 2014-06-19 aparelho e método de comunicação tipo máquina móvel compartilhada virtual
PL14739239T PL3011765T3 (pl) 2013-06-20 2014-06-19 Urządzenie i sposób komunikacji typu maszynowego w wirtualnej współdzielonej sieci mobilnej
EP19181071.2A EP3562180B1 (fr) 2013-06-20 2014-06-19 Appareil de mobile partagé virtuel de communication de type machine et procédé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/922,997 2013-06-20
US13/922,997 US10034321B2 (en) 2013-06-20 2013-06-20 Machine type communication virtual shared mobile apparatus and method

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EP (3) EP3562179B1 (fr)
CN (1) CN105325016B (fr)
BR (1) BR112015030861A2 (fr)
DK (1) DK3011765T3 (fr)
ES (1) ES2734377T3 (fr)
HU (1) HUE045664T2 (fr)
MY (1) MY180598A (fr)
PL (1) PL3011765T3 (fr)
PT (1) PT3011765T (fr)
WO (1) WO2014203206A1 (fr)

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US20140376454A1 (en) 2014-12-25
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CN105325016A (zh) 2016-02-10
HUE045664T2 (hu) 2020-01-28
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MY180598A (en) 2020-12-03
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